diff options
Diffstat (limited to 'org.eclipse.jgit/src/org/eclipse/jgit/storage')
| -rw-r--r-- | org.eclipse.jgit/src/org/eclipse/jgit/storage/pack/PackConfig.java | 100 |
1 files changed, 99 insertions, 1 deletions
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/storage/pack/PackConfig.java b/org.eclipse.jgit/src/org/eclipse/jgit/storage/pack/PackConfig.java index 256e41d22b..6bd32dd873 100644 --- a/org.eclipse.jgit/src/org/eclipse/jgit/storage/pack/PackConfig.java +++ b/org.eclipse.jgit/src/org/eclipse/jgit/storage/pack/PackConfig.java @@ -116,12 +116,30 @@ public class PackConfig { */ public static final int DEFAULT_DELTA_SEARCH_WINDOW_SIZE = 10; + private static final int MB = 1 << 20; + /** * Default big file threshold: {@value} * * @see #setBigFileThreshold(int) */ - public static final int DEFAULT_BIG_FILE_THRESHOLD = 50 * 1024 * 1024; + public static final int DEFAULT_BIG_FILE_THRESHOLD = 50 * MB; + + /** + * Default if we wait before opening a newly written pack to prevent its + * lastModified timestamp could be racy + * + * @since 5.1.8 + */ + public static final boolean DEFAULT_WAIT_PREVENT_RACY_PACK = false; + + /** + * Default if we wait before opening a newly written pack to prevent its + * lastModified timestamp could be racy + * + * @since 5.1.8 + */ + public static final long DEFAULT_MINSIZE_PREVENT_RACY_PACK = 100 * MB; /** * Default delta cache size: {@value} @@ -238,6 +256,10 @@ public class PackConfig { private int bigFileThreshold = DEFAULT_BIG_FILE_THRESHOLD; + private boolean waitPreventRacyPack = DEFAULT_WAIT_PREVENT_RACY_PACK; + + private long minSizePreventRacyPack = DEFAULT_MINSIZE_PREVENT_RACY_PACK; + private int threads; private Executor executor; @@ -314,6 +336,8 @@ public class PackConfig { this.deltaCacheSize = cfg.deltaCacheSize; this.deltaCacheLimit = cfg.deltaCacheLimit; this.bigFileThreshold = cfg.bigFileThreshold; + this.waitPreventRacyPack = cfg.waitPreventRacyPack; + this.minSizePreventRacyPack = cfg.minSizePreventRacyPack; this.threads = cfg.threads; this.executor = cfg.executor; this.indexVersion = cfg.indexVersion; @@ -737,6 +761,76 @@ public class PackConfig { } /** + * Get whether we wait before opening a newly written pack to prevent its + * lastModified timestamp could be racy + * + * @return whether we wait before opening a newly written pack to prevent + * its lastModified timestamp could be racy + * @since 5.1.8 + */ + public boolean isWaitPreventRacyPack() { + return waitPreventRacyPack; + } + + /** + * Get whether we wait before opening a newly written pack to prevent its + * lastModified timestamp could be racy. Returns {@code true} if + * {@code waitToPreventRacyPack = true} and + * {@code packSize > minSizePreventRacyPack}, {@code false} otherwise. + * + * @param packSize + * size of the pack file + * + * @return whether we wait before opening a newly written pack to prevent + * its lastModified timestamp could be racy + * @since 5.1.8 + */ + public boolean doWaitPreventRacyPack(long packSize) { + return isWaitPreventRacyPack() + && packSize > getMinSizePreventRacyPack(); + } + + /** + * Set whether we wait before opening a newly written pack to prevent its + * lastModified timestamp could be racy + * + * @param waitPreventRacyPack + * whether we wait before opening a newly written pack to prevent + * its lastModified timestamp could be racy + * @since 5.1.8 + */ + public void setWaitPreventRacyPack(boolean waitPreventRacyPack) { + this.waitPreventRacyPack = waitPreventRacyPack; + } + + /** + * Get minimum packfile size for which we wait before opening a newly + * written pack to prevent its lastModified timestamp could be racy if + * {@code isWaitToPreventRacyPack} is {@code true}. + * + * @return minimum packfile size, default is 100 MiB + * + * @since 5.1.8 + */ + public long getMinSizePreventRacyPack() { + return minSizePreventRacyPack; + } + + /** + * Set minimum packfile size for which we wait before opening a newly + * written pack to prevent its lastModified timestamp could be racy if + * {@code isWaitToPreventRacyPack} is {@code true}. + * + * @param minSizePreventRacyPack + * minimum packfile size, default is 100 MiB + * + * @since 5.1.8 + */ + public void setMinSizePreventRacyPack(long minSizePreventRacyPack) { + this.minSizePreventRacyPack = minSizePreventRacyPack; + } + + /** * Get the compression level applied to objects in the pack. * * Default setting: {@value java.util.zip.Deflater#DEFAULT_COMPRESSION} @@ -1083,6 +1177,10 @@ public class PackConfig { setBitmapInactiveBranchAgeInDays( rc.getInt("pack", "bitmapinactivebranchageindays", //$NON-NLS-1$ //$NON-NLS-2$ getBitmapInactiveBranchAgeInDays())); + setWaitPreventRacyPack(rc.getBoolean("pack", "waitpreventracypack", //$NON-NLS-1$ //$NON-NLS-2$ + isWaitPreventRacyPack())); + setMinSizePreventRacyPack(rc.getLong("pack", "minsizepreventracypack", //$NON-NLS-1$//$NON-NLS-2$ + getMinSizePreventRacyPack())); } /** {@inheritDoc} */ |